I'LL ANSWER YOURS: I really like this girl, but, she just "wants to be friends"?

Sorry about how long this is.

Im 16 and so is she. Ive never been very good with girls and always get friendzoned. I have had one gf, it was long distance and she cheated on me. Never even kissed a girl before. So i met this girl thru a friend and she goes to a different school. me, her, my friend and his gf hung a few days after we started talking. I found out she thinks i look cute and she knows im interested in her. Over the 2 weeks ive known her, we have talked alot and i found out we have alot in common so i asked her on a date. We saw a movie, she ran really late so we had to see it at another time, but, I still payed for everything cuz i wanted to show her im a gentleman and i care about her.

During the movie, I put my arms around her shoulders and she moved close to me and by the end of the movie had her head resting against me. We talked a little and i gave her a hug when i left. Based on what happened, me (and everyone who asked about the date) thought she was really into me. Yesterday i texted her, and she never replied, i thought she was maybe just busy and then i started getting paranoid about it. I get attached to easily and because of how good i thought the night went ive started getting really attached. I asked the friend who i met her through what she said to him about the date, she said i would make a better friend then BF. I was so sure she liked me and i spent like $40 on the movie and tried so hard for her. What am i supposed to do? None of this makes sense to me and idk what to do!! please help me.